Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460130 | SOHC-type valve operating system in internal combustion engine | Masami Fukuzawa, Yoshihiro Fujiyoshi, Hidemi Arai, Shinichi Nishida, Chihaya Sugimoto +3 more | 1995-10-24 |
| 5101778 | SOHC type internal combustion engine | Takatoshi Aoki, Kazutoshi Nishizawa | 1992-04-07 |
| 4942854 | Valve operating device for use in internal combustion engine | Hiroshi Shirai, Takashi Tatsumi, Hisashi Kanda, Masahiko Motsumoto, Toshiaki Hiro | 1990-07-24 |
| 4926804 | Mechanism for switching valve operating modes in an internal combustion engine | — | 1990-05-22 |
| 4919089 | Valve operating system for internal combustion engine | Yoshihiro Fujiyoshi, Hidenobu Nagase, Takatoshi Aoki | 1990-04-24 |
| 4909203 | Oil reservoir structure for engine | — | 1990-03-20 |
| 4901685 | Valve operating mechanism for an internal combustion engine | Hiroshi Shirai, Takashi Tatsumi | 1990-02-20 |
| 4858574 | Hydraulic circuit for a valve operating timing control device for an internal combustion engine | Mitsuhiro Shibata, Toshiaki Hiro, Masahiko Matsumoto | 1989-08-22 |
| 4807574 | Valve operating device for internal combustion engine | Mitsuhiro Shibata, Kazuhide Kumagai, Toshiaki Hiro, Masahiko Matsumoto | 1989-02-28 |
| 4800850 | Hydraulic circuit for a valve operating mechanism for an internal combustion engine | Kazuo Yoshida | 1989-01-31 |
| 4758206 | Cam shaft drive structure for OHC V-type engine | Michio Sato | 1988-07-19 |
| 4753201 | Crankshaft supporting structure for multicylinder internal combustion engines | Masatoshi Chosa, Akio Kazama, Nobuo Anno, Yukio Kusakabe | 1988-06-28 |
| 4729352 | Crankshaft supporting structure for multicylinder internal combustion engines | Takao Ito, Katsumi Ichida | 1988-03-08 |
| 4721077 | Crankshaft supporting structure for multicylinder internal conbustion engines | Masatoshi Chosa | 1988-01-26 |
| 4656991 | Breather device for internal combustion engine | Shinji Sasaki | 1987-04-14 |
| 4622933 | Lubricant feed system for use in the journal of a crankshaft | Hiroki Yamamoto | 1986-11-18 |
| 4553473 | Valve actuating mechanism for engines | Katsumi Ichida, Junichi Araki, Isao Machida | 1985-11-19 |